Evaluation of a Standard Epidural Catheter During Clinical Practice

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During the insertion of epidural catheters several complications can occur, including transient paraesthesia and inadvertent venous cannulation.

Reported incidences for paraesthesia vary widely between about 0.2% and 50% in different articles, depending on the catheter (catheter material, soft-tipped or firm-tipped catheter), the applied technique (lumbar or thoracic epidural anesthesia, depth of catheter insertion), the approach (midline or paramedian) and the included patients (obstetrical or non-obstetrical). Furthermore, the inconsistent definition of "paraesthesia" makes it difficult to compare the results of different studies. Paraesthesia are not supposed to lead to permanent neurological sequelea, but are unpleasant and perturbing sensations for the patient.

For inadvertent venous cannulation during epidural catheter placement, incidences between 1% and 14% have been reported. As for the paraesthesia rate, catheter material, technique, approach and included patients are determinants for the incidence of vessel puncture.

Main objective of this study is to determine the incidence of paraesthesia with this catheter.

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Ages Eligible for Study:

18 Years to 75 Years (Adult, Senior)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

No

Criteria

Inclusion Criteria:

scheduled for Epidural Anaesthesia

ASA class I-III

between 18 and 75

Exclusion Criteria:

contraindications for epidural anaesthesia

Non-competent and non-cooperative

pregnant and breast-feeding women

medicament- and drug abuse or problems in communication

participating in parallel in another clinical study with experimental drugs or devices